JPS5086649A - - Google Patents

Info

Publication number
JPS5086649A
JPS5086649A JP48136176A JP13617673A JPS5086649A JP S5086649 A JPS5086649 A JP S5086649A JP 48136176 A JP48136176 A JP 48136176A JP 13617673 A JP13617673 A JP 13617673A JP S5086649 A JPS5086649 A JP S5086649A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP48136176A
Other languages
Japanese (ja)
Other versions
JPS6360610B2 (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP48136176A priority Critical patent/JPS6360610B2/ja
Priority to US05/530,286 priority patent/US3984737A/en
Publication of JPS5086649A publication Critical patent/JPS5086649A/ja
Publication of JPS6360610B2 publication Critical patent/JPS6360610B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/42—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to product of voltage and current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to frequency deviations

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP48136176A 1973-12-07 1973-12-07 Expired JPS6360610B2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP48136176A JPS6360610B2 (enrdf_load_stackoverflow) 1973-12-07 1973-12-07
US05/530,286 US3984737A (en) 1973-12-07 1974-12-06 Protective relaying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48136176A JPS6360610B2 (enrdf_load_stackoverflow) 1973-12-07 1973-12-07

Publications (2)

Publication Number Publication Date
JPS5086649A true JPS5086649A (enrdf_load_stackoverflow) 1975-07-12
JPS6360610B2 JPS6360610B2 (enrdf_load_stackoverflow) 1988-11-25

Family

ID=15169091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48136176A Expired JPS6360610B2 (enrdf_load_stackoverflow) 1973-12-07 1973-12-07

Country Status (2)

Country Link
US (1) US3984737A (enrdf_load_stackoverflow)
JP (1) JPS6360610B2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60234639A (ja) * 1984-05-08 1985-11-21 株式会社ヴァイン 血圧計測装置

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100149A (en) * 1976-02-18 1977-08-22 Tokyo Electric Power Co Inc:The Digital failure point evaluating unit
US4161027A (en) * 1976-10-04 1979-07-10 Electric Power Research Institute, Inc. Digital protection system for transmission lines and associated power equipment
US4183072A (en) * 1976-12-29 1980-01-08 Mitsubishi Denki Kabushiki Kaisha Protective relaying system
US4077061A (en) * 1977-03-25 1978-02-28 Westinghouse Electric Corporation Digital processing and calculating AC electric energy metering system
JPS53141442A (en) * 1977-05-16 1978-12-09 Tokyo Electric Power Co Inc:The Distance relay
JPS6046615B2 (ja) * 1977-06-13 1985-10-17 東京電力株式会社 保護制御装置
US4261038A (en) * 1978-02-28 1981-04-07 National Research Development Corporation Protection of electrical power supply systems
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
JPS54137649A (en) * 1978-04-18 1979-10-25 Tokyo Electric Power Co Inc:The Digital protective relay device
JPS5592514A (en) * 1978-12-28 1980-07-14 Tokyo Shibaura Electric Co Digital protection relay
JPS55125025A (en) * 1979-03-19 1980-09-26 Tokyo Electric Power Co Digital distance relay
JPS55125016A (en) * 1979-03-19 1980-09-26 Tokyo Electric Power Co Protecion controller matching system
JPS55127821A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital protection relay unit
JPS55160929A (en) * 1979-05-29 1980-12-15 Meidensha Electric Mfg Co Ltd Commonly supported circuit grounddfault protection relay
US4300182A (en) * 1979-08-09 1981-11-10 Schweitzer Edmund O Iii Metering and protection system for an A.C. power system
US4319298A (en) * 1979-08-28 1982-03-09 General Electric Company Motor protection device
US4371908A (en) * 1979-09-17 1983-02-01 Tokyo Shibaura Denki Kabushiki Kaisha Digital protective relaying systems
US4321681A (en) * 1979-09-21 1982-03-23 Westinghouse Electric Corp. Protective relay apparatus
US4347581A (en) * 1979-09-24 1982-08-31 Tokyo Shibaura Denki Kabushiki Kaisha Input setting method for digital operational devices
US4335437A (en) * 1980-04-15 1982-06-15 Westinghouse Electric Corp. Circuit interrupter with energy management functions
US4351013A (en) * 1980-04-15 1982-09-21 Westinghouse Electric Corp. Circuit interrupter with multiple display and parameter entry means
DE3114213C3 (de) * 1980-04-15 1994-09-01 Westinghouse Electric Corp Verfahren zum Betreiben eines Trennschalters
US4455612A (en) * 1982-01-27 1984-06-19 Iowa State University Research Foundation, Inc. Recursive estimation in digital distance relaying system
JPS60113615A (ja) * 1983-11-24 1985-06-20 株式会社東芝 デイジタル形保護継電装置
JPH0828934B2 (ja) * 1984-07-31 1996-03-21 株式会社東芝 保護制御装置
JPS6240014A (ja) * 1985-08-13 1987-02-21 三菱電機株式会社 デジタル保護継電装置
DE3626398A1 (de) * 1986-08-04 1988-02-11 Siemens Ag Elektronischer ueberstromausloeser
DE3626400A1 (de) * 1986-08-04 1988-02-11 Siemens Ag Anordnung zur schnellerkennung von kurzschluessen
DE59203277D1 (de) * 1991-07-22 1995-09-21 Landis & Gyr Betriebs Ag Anordnung zum Messen einer Blindleistung oder einer Blindenergie.
US5391983A (en) * 1991-10-08 1995-02-21 K C Corp. Solid state electric power usage meter and method for determining power usage
DE19605013C2 (de) * 1996-01-31 1998-04-02 Siemens Ag Verfahren zur Bildung eines Resistanzwertes
US5745355A (en) * 1996-06-25 1998-04-28 Exide Electronics Corporation Wireless selective tripping of AC power systems connected in parallel
JP3907998B2 (ja) * 2001-02-09 2007-04-18 株式会社東芝 変電機器保護制御システム
WO2009008871A1 (en) * 2006-10-13 2009-01-15 Abb Technology Ag Faulted phase decision method between current and voltage based delta phase selectors
JP4275696B2 (ja) * 2006-11-09 2009-06-10 三菱電機株式会社 サンプリング周波数制御方式および保護継電器
JP5283938B2 (ja) * 2008-03-18 2013-09-04 株式会社東芝 ディジタル保護継電装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596785A (en) * 1969-07-10 1971-08-03 Tom M Weatherford Jr Device for loading and unloading objects
US3599044A (en) * 1970-04-30 1971-08-10 Fuji Electric Co Ltd Superhigh-speed relaying system and apparatus for protection of power systems
JPS4942713B1 (enrdf_load_stackoverflow) * 1970-11-09 1974-11-16
US3731152A (en) * 1972-05-25 1973-05-01 Westinghouse Electric Corp Impedance distance relay
US3885199A (en) * 1973-07-02 1975-05-20 Hitachi Ltd Protective relaying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60234639A (ja) * 1984-05-08 1985-11-21 株式会社ヴァイン 血圧計測装置

Also Published As

Publication number Publication date
JPS6360610B2 (enrdf_load_stackoverflow) 1988-11-25
US3984737A (en) 1976-10-05

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